Thanks It's Working.

you have to write Custome code and call it from the Column.

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Public Shared Dim v_Rownum as Integer = 0

// Call this function from the Coumn by using Expression

Public...

I am using Share Point List as Data Source, and the query is like

<RSSharePointList xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">

<ListName>ProductSale</ListName>

<ViewFields>

<FieldRef Name="Product Name" />

...